21/08/2026
How do you troubleshoot a system that won't boot?
A non-booting PC is one of the most common Desktop Support interview questions. The key is to troubleshoot step by step instead of guessing.
Follow this 8-step process:
Check the power supply
Inspect hardware connections
Listen for POST beep codes
Reset BIOS/UEFI settings
Verify the boot order
Test the HDD/SSD
Boot with minimal hardware
Use recovery or startup repair
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